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Biostrap on my wrist

Wearing a clinical-grade photoplethysmography (PPG) monitor for a month

Nov. 15, 2017 - Willem L. Middelkoop

Most wearables (smartwatches, fitness trackers, etc.) use very basic sensors to capture heart rate. Their signal is binary: just counting beats. Biostrap is different, instead of just checking pulses, it captures a high-fidelity PPG waveform. These waveforms are the same kind that doctors use, making me wonder what I could learn from them!

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The Biostrap wrist PPG sensor next to a Swatch Sistem 51
The Biostrap wrist PPG sensor next to a Swatch Sistem 51
The box contains three straps, charging cable, charger and two sensors
The box contains three straps, charging cable, charger and two sensors
Biostrap on the wrist - now you see me...
Biostrap on the wrist - now you see me...
One month of Biostrap health data
One month of Biostrap health data
On the bottom you can see the two red LED's and the PPG sensor. Just like the Swatch Sistem51 movement this is hidden when worn on wrist
On the bottom you can see the two red LED's and the PPG sensor. Just like the Swatch Sistem51 movement this is hidden when worn on wrist

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